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30-09-2022
Mathematics

Answered

A grocery store chain has been tracking data on the number of shoppers that use coupons. The data shows that 71% of all shoppers use coupons. 36 times out of 40 these results were considered accurate to within 2.5%.
What is the confidence level?

A grocery store chain has been tracking data on the number of shoppers that use coupons The data shows that 71 of all shoppers use coupons 36 times out of 40 t class=

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